rename pending tasks api endpoint to be more in line with others

modules/progress.py

@@ -74,9 +74,10 @@ class ProgressResponse(BaseModel):
 
 
 def setup_progress_api(app):
-    app.add_api_route("/internal/pendingTasks", get_pending_tasks, methods=["GET"])
+    app.add_api_route("/internal/pending-tasks", get_pending_tasks, methods=["GET"])
     return app.add_api_route("/internal/progress", progressapi, methods=["POST"], response_model=ProgressResponse)
 
+
 def get_pending_tasks():
     pending_tasks_ids = list(pending_tasks)
     pending_len = len(pending_tasks_ids)